diff --git a/3rdpart/ZLToolKit b/3rdpart/ZLToolKit
index 91246bb0..b7485c4b 160000
--- a/3rdpart/ZLToolKit
+++ b/3rdpart/ZLToolKit
@@ -1 +1 @@
-Subproject commit 91246bb01475c7336040a4b7ec35d0584887f365
+Subproject commit b7485c4b48b277bfaba2ad930cf1f30e2806299c
diff --git a/conf/config.ini b/conf/config.ini
index 902d2215..7ce085e8 100644
--- a/conf/config.ini
+++ b/conf/config.ini
@@ -39,6 +39,7 @@ filePath=/Users/xzl/git/ZLMediaKit/release/mac/Release/httpRoot
 #hls最大切片时间
 segDur=3
 #m3u8索引中,hls保留切片个数(实际保留切片个数大2~3个)
+#如果设置为0，则不删除切片，而是保存为点播
 segNum=3
 
 [hook]
diff --git a/server/Process.cpp b/server/Process.cpp
index 984657a7..3b67145a 100644
--- a/server/Process.cpp
+++ b/server/Process.cpp
@@ -25,6 +25,7 @@
  */
 
 #include <limits.h>
+#include <sys/stat.h>
 #include <sys/resource.h>
 #include <unistd.h>
 #include <stdexcept>
diff --git a/server/Process.h b/server/Process.h
index 1276cf28..b0b994d9 100644
--- a/server/Process.h
+++ b/server/Process.h
@@ -27,7 +27,7 @@
 #define IPTV_PROCESS_H
 
 #include <sys/wait.h>
-#include <sys/fcntl.h>
+#include <fcntl.h>
 #include <string>
 using namespace std;
 
diff --git a/src/Common/config.cpp b/src/Common/config.cpp
index fa4a1c44..49f43e7b 100644
--- a/src/Common/config.cpp
+++ b/src/Common/config.cpp
@@ -77,12 +77,15 @@ const string kStreamNoneReaderDelayMS = GENERAL_FIELD"streamNoneReaderDelayMS";
 const string kMaxStreamWaitTimeMS = GENERAL_FIELD"maxStreamWaitMS";
 const string kEnableVhost = GENERAL_FIELD"enableVhost";
 const string kUltraLowDelay = GENERAL_FIELD"ultraLowDelay";
+const string kAddMuteAudio = GENERAL_FIELD"addMuteAudio";
+
 onceToken token([](){
     mINI::Instance()[kFlowThreshold] = 1024;
     mINI::Instance()[kStreamNoneReaderDelayMS] = 5 * 1000;
     mINI::Instance()[kMaxStreamWaitTimeMS] = 5 * 1000;
     mINI::Instance()[kEnableVhost] = 1;
 	mINI::Instance()[kUltraLowDelay] = 1;
+	mINI::Instance()[kAddMuteAudio] = 1;
 },nullptr);
 
 }//namespace General
diff --git a/src/Common/config.h b/src/Common/config.h
index 89ed9cb1..31a27d2d 100644
--- a/src/Common/config.h
+++ b/src/Common/config.h
@@ -177,6 +177,8 @@ extern const string kMaxStreamWaitTimeMS;
 extern const string kEnableVhost;
 //超低延时模式，默认打开，打开后会降低延时但是转发性能会稍差
 extern const string kUltraLowDelay;
+//拉流代理时是否添加静音音频
+extern const string kAddMuteAudio;
 }//namespace General
 
 
@@ -276,7 +278,7 @@ extern const string kFileRepeat;
 namespace Hls {
 //HLS切片时长,单位秒
 extern const string kSegmentDuration;
-//HLS切片个数
+//HLS切片个数，如果设置为0，则不删除切片，而是保存为点播
 extern const string kSegmentNum;
 //HLS文件写缓存大小
 extern const string kFileBufSize;
diff --git a/src/Extension/Factory.cpp b/src/Extension/Factory.cpp
index 0a504f64..aee7de21 100644
--- a/src/Extension/Factory.cpp
+++ b/src/Extension/Factory.cpp
@@ -60,16 +60,16 @@ Track::Ptr Factory::getTrackBySdp(const SdpTrack::Ptr &track) {
     }
 
     if (strcasecmp(track->_codec.data(), "h264") == 0) {
-        string sps_pps = FindField(track->_fmtp.data(), "sprop-parameter-sets=", nullptr);
+        auto map = Parser::parseArgs(track->_fmtp," ","=");
+        for(auto &pr : map){
+            trim(pr.second," ;");
+        }
+        auto sps_pps = map["sprop-parameter-sets"];
         if(sps_pps.empty()){
             return std::make_shared<H264Track>();
         }
         string base64_SPS = FindField(sps_pps.data(), NULL, ",");
         string base64_PPS = FindField(sps_pps.data(), ",", NULL);
-        if(base64_PPS.back() == ';'){
-            base64_PPS.pop_back();
-        }
-
         auto sps = decodeBase64(base64_SPS);
         auto pps = decodeBase64(base64_PPS);
         return std::make_shared<H264Track>(sps,pps,0,0);
diff --git a/src/MediaFile/HlsMaker.cpp b/src/MediaFile/HlsMaker.cpp
index 5e88b31a..36f88c39 100644
--- a/src/MediaFile/HlsMaker.cpp
+++ b/src/MediaFile/HlsMaker.cpp
@@ -28,7 +28,8 @@
 namespace mediakit {
 
 HlsMaker::HlsMaker(float seg_duration, uint32_t seg_number) {
-    seg_number = MAX(1,seg_number);
+    //最小允许设置为0，0个切片代表点播
+    seg_number = MAX(0,seg_number);
     seg_duration = MAX(1,seg_duration);
     _seg_number = seg_number;
     _seg_duration = seg_duration;
@@ -37,12 +38,9 @@ HlsMaker::HlsMaker(float seg_duration, uint32_t seg_number) {
 HlsMaker::~HlsMaker() {
 }
 
-#define PRINT(...)  file_size += snprintf(file_content + file_size,sizeof(file_content) - file_size, ##__VA_ARGS__)
 
 void HlsMaker::makeIndexFile(bool eof) {
-    char file_content[4 * 1024];
-    int file_size = 0;
-
+    char file_content[1024];
     int maxSegmentDuration = 0;
     for (auto &tp : _seg_dur_list) {
         int dur = std::get<0>(tp);
@@ -50,7 +48,10 @@ void HlsMaker::makeIndexFile(bool eof) {
             maxSegmentDuration = dur;
         }
     }
-    PRINT("#EXTM3U\n"
+
+    string m3u8;
+    snprintf(file_content,sizeof(file_content),
+          "#EXTM3U\n"
           "#EXT-X-VERSION:3\n"
           "#EXT-X-ALLOW-CACHE:NO\n"
           "#EXT-X-TARGETDURATION:%u\n"
@@ -58,14 +59,18 @@ void HlsMaker::makeIndexFile(bool eof) {
           (maxSegmentDuration + 999) / 1000,
           _file_index);
 
+    m3u8.assign(file_content);
+
     for (auto &tp : _seg_dur_list) {
-        PRINT("#EXTINF:%.3f,\n%s\n", std::get<0>(tp) / 1000.0, std::get<1>(tp).data());
+        snprintf(file_content,sizeof(file_content), "#EXTINF:%.3f,\n%s\n", std::get<0>(tp) / 1000.0, std::get<1>(tp).data());
+        m3u8.append(file_content);
     }
 
     if (eof) {
-        PRINT("#EXT-X-ENDLIST\n");
+        snprintf(file_content,sizeof(file_content),"#EXT-X-ENDLIST\n");
+        m3u8.append(file_content);
     }
-    onWriteHls(file_content, file_size);
+    onWriteHls(m3u8.data(), m3u8.size());
 }
 
 
@@ -75,6 +80,10 @@ void HlsMaker::inputData(void *data, uint32_t len, uint32_t timestamp) {
 }
 
 void HlsMaker::delOldFile() {
+    if(_seg_number == 0){
+        //如果设置为保留0个切片，则认为是保存为点播
+        return;
+    }
     //在hls m3u8索引文件中,我们保存的切片个数跟_seg_number相关设置一致
     if (_file_index >= _seg_number + 2) {
         _seg_dur_list.pop_front();
diff --git a/src/MediaFile/HlsMaker.h b/src/MediaFile/HlsMaker.h
index 37f6d671..0a1e9617 100644
--- a/src/MediaFile/HlsMaker.h
+++ b/src/MediaFile/HlsMaker.h
@@ -81,13 +81,18 @@ protected:
      * @param len
      */
     virtual void onWriteHls(const char *data, int len) = 0;
-private:
+
+    /**
+     * 生成m3u8文件
+     * @param eof true代表点播
+     */
+    void makeIndexFile(bool eof = false);
     void delOldFile();
     void addNewFile(uint32_t timestamp);
-    void makeIndexFile(bool eof = false);
+protected:
+    uint32_t _seg_number = 0;
 private:
     float _seg_duration = 0;
-    uint32_t _seg_number = 0;
     uint64_t _file_index = 0;
     Ticker _ticker;
     string _last_file_name;
diff --git a/src/MediaFile/HlsMakerImp.cpp b/src/MediaFile/HlsMakerImp.cpp
index ece25b73..77763e30 100644
--- a/src/MediaFile/HlsMakerImp.cpp
+++ b/src/MediaFile/HlsMakerImp.cpp
@@ -46,8 +46,12 @@ HlsMakerImp::HlsMakerImp(const string &m3u8_file,
 }
 
 HlsMakerImp::~HlsMakerImp() {
-    _file.reset();
-    File::delete_file(_path_prefix.data());
+    //录制完了
+    makeIndexFile(true);
+    if(_seg_number){
+        //hls直播才删除文件
+        File::delete_file(_path_prefix.data());
+    }
 }
 
 string HlsMakerImp::onOpenFile(int index) {
diff --git a/src/MediaFile/MediaReader.cpp b/src/MediaFile/MediaReader.cpp
index a39d1354..22683b4e 100644
--- a/src/MediaFile/MediaReader.cpp
+++ b/src/MediaFile/MediaReader.cpp
@@ -30,6 +30,7 @@
 #include "Http/HttpSession.h"
 #include "Extension/AAC.h"
 #include "Extension/H264.h"
+#include "Thread/WorkThreadPool.h"
 
 using namespace toolkit;
 
@@ -37,7 +38,7 @@ namespace mediakit {
 
 #ifdef ENABLE_MP4V2
 MediaReader::MediaReader(const string &strVhost,const string &strApp, const string &strId,const string &filePath ) {
-	_poller = EventPollerPool::Instance().getPoller();
+	_poller = WorkThreadPool::Instance().getPoller();
     auto strFileName = filePath;
     if(strFileName.empty()){
 		GET_CONFIG(string,recordPath,Record::kFilePath);
diff --git a/src/Player/PlayerProxy.cpp b/src/Player/PlayerProxy.cpp
index 5b821d85..fce309b9 100644
--- a/src/Player/PlayerProxy.cpp
+++ b/src/Player/PlayerProxy.cpp
@@ -244,13 +244,16 @@ void PlayerProxy::onPlaySuccess() {
 		videoTrack->addDelegate(_mediaMuxer);
 	}
 
+	//是否添加静音音频
+	GET_CONFIG(bool,addMuteAudio,General::kAddMuteAudio);
+
 	auto audioTrack = getTrack(TrackAudio, false);
 	if(audioTrack){
 		//添加音频
 		_mediaMuxer->addTrack(audioTrack);
 		//音频数据写入_mediaMuxer
         audioTrack->addDelegate(_mediaMuxer);
-    }else if(videoTrack){
+    }else if(addMuteAudio && videoTrack){
 		//没有音频信息，产生一个静音音频
 		MuteAudioMaker::Ptr audioMaker = std::make_shared<MuteAudioMaker>();
 		//videoTrack把数据写入MuteAudioMaker